body, div, span, header, footer, nav, section, aside, article, ul, dl, dt, dd, li, a, p, h1, h2, h3, h4,h5, h6, i, b, textarea, button, input, select, figure, figcaption{
    padding: 0;
    margin: 0;
    list-style: none;
    font-style: normal;
    text-decoration: none;
    border: none;
    font-weight: normal;
    font-family: "Microsoft Yahei", serif;
    box-sizing: border-box;
    -webkit-tap-highlight-color:transparent;
    -webkit-font-smoothing: antialiased;
    &:hover{
      outline: none;
    }
  }
  
  html,body{
    height: 100%;
    width: 100%;
    background-color: #F5F5F5;
  }
  
  /* 根据dpr显示2x图/3x图 */
  .bg-image(@url){
    background-image:~"url('@{url}@2x.png')";
    @media (-webkit-min-device-pixel-ratio: 3),(min-device-pixel-ratio: 3){
      background-image:~"url('@{url}@3x.png')";
    }
  }
  
  // * { touch-action: none; }